Nutrition, bone, and calcified tissue.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001846:Bone Development; D002118:Calcium / Q000378:metabolism*; D002648:Child; D002675:Child, Preschool; D003677:Deficiency Diseases / Q000453:epidemiology; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D010024:Osteoporosis / Q000453:epidemiology; D010568:Peru
D002118:Calcium